Sch 3 para 57 Accounting on a non-annual basis
(1) Either of the methods described in paragraphs 58 and 59 may be applied where, because of the nature of the class or type of insurance in question, information about premiums receivable or claims payable (or both) for the underwriting years is insufficient when the accounts are drawn up for reliable estimates to be made. (2) The use of either of the methods referred to in sub-paragraph (1) must be disclosed in the notes to the accounts together with the reasons for adopting it. (3) Where one of the methods referred to in sub-paragraph (1) is adopted, it must be applied systematically in successive years unless circumstances justify a change. (4) In the event of a change in the method applied, the effect on the assets, liabilities, financial position and profit or loss must be stated in the notes to the accounts. (5) For the purposes of this paragraph and paragraph 58, “ underwriting year ” means the financial year in which the insurance contracts in the class or type of insurance in question commenced.